Viewers of the reality show saw Lewis and Marnie get together in the house, and since the show ended the pair have been enjoying spending time away from the 24/7 cameras.
So much so, that it looks like Lewis took Marnie as a plus-one to his friend's wedding. Thing must be getting serious!
Although there's no photo of the two together at the event (boo!), Lewis' old co-star, Arg, made sure he had individual snaps with both of the stars.
In one picture, Arg and Lewis can both be seen looking pretty dapper in a selfie. Donning their smartest attire - complete with black bow ties - the pals can be seen smiling to the camera. Very handsome, guys!
Along with the image, Arg wrote: "We do look powerful if I do say so myself haha! With @lewisbloor1 at Molly/Henry's Wedding! #BeautifulDay x."
Meanwhile, a second picture showed Arg and Marnie posing for the camera. The Geordie Shore lass was stylish as ever in a khaki suede bodycon dress that showed off her enviable pins. Wearing her chocolate brown locks loose and glossy, Marnie finished things off with flawless make-up.
While there isn't a picture of the duo in their fancy wedding gear, Lewis share an image of them relaxing in a car after their weekend of partying. Casually dressed in jeans and a bomber jacket, Lewis can be seen slinging his arm around Marnie who was also dressed down in a cosy Adidas jumper.
Lewis and Marnie's relationship has been progressing more and more since they exited the CBB house. So much so, that Lewis even mentioned marriage (eek!) recently.
Speaking on Loose Women he admitted: "I know things have moved quickly so far... I do have a five year plan and I'd love to still be with Marnie by the end of it. I think, if I am with Marnie in five years time, I'd be surprised if she doesn't have a ring on her finger."
Marnie also revealed to Emma Willis that she thinks her beau is 'The One'.
Maybe this wedding have them a bit of inspo?! Fingers crossed...